Home / 132,417.18-198,635.49-53,529.66

Finding the Fourth Proportional to 132,417.18, 198,635.49 and 53,529.66

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Solution

The fourth proportional to 132,417.18, 198,635.49 and 53,529.66 is: 80,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,417.18 : 198,635.49 = 53,529.66 : x
  2. Step 2: Convert to fraction form
    132,417.18/198,635.49 = 53,529.66/x
  3. Step 3: Cross multiply
    132,417.18x = 198,635.49 × 53,529.66
  4. Step 4: Simplify right side
    132,417.18x = 10,632,890,243.63
  5. Step 5: Solve for x
    x = 10,632,890,243.63/132,417.18
  6. Step 6: Final answer
    x = 80,298.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.